Fluid level sight glass for an off-highway vehicle



FIG. 1 is a left front perspective view of a fluid level sight glass of an off-highway vehicle showing our new design in use condition;

FIG. 2 is a right front perspective view thereof, shown in use condition;

FIG. 3 is a front view thereof, shown in use condition; and,

FIG. 4 is an enlarged portion of FIG. 3.

The rear view does not form part of the claimed design and is therefore not disclosed.

The broken lines showing the wheel and tire portions of an off-highway vehicle are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a fluid level sight glass of an off-highway vehicle, as shown and described. 